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V oIP Topologies and Interoperability

V oIP Topologies and Interoperability. Colin Lee Technology Specialist – Unified Communications Microsoft Corporation. Session Objectives. Understand the voice deployment scenarios for OCS 2007. Learn how OCS 2007 integrates with SIP/PSTN gateways and PBXs.

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V oIP Topologies and Interoperability

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  1. VoIP Topologies and Interoperability Colin Lee Technology Specialist – Unified Communications Microsoft Corporation

  2. Session Objectives Understand the voice deployment scenarios for OCS 2007 Learn how OCS 2007 integrates with SIP/PSTN gateways and PBXs See how to get started with a simple gateway-only configuration Understand OCS Integration with any PBX (TDM or IP-based) Understand Native OCS Integration with an IP-PBX

  3. Today’s Business EnvironmentWhat customers are telling us Employees Communications tools don’t work together New infrastructure should support existing work style IT Decision Makers Big investments in existing PBX systems Make decisions that ensure flexibility IT Professionals Difficulty managing disparate PBX systems Moves, adds, and changes should transcend infrastructure

  4. Software-Powered VoIP Architecture Today Future • OCS & OC replace legacy telephony infrastructure • Integrated user experience across all communication channels Legacy PBX interoperability Pilot today to prepare for the future Focus on the user experience • Build Foundation • Single identity with Microsoft Active Directory • Instant Messaging and Presence with OCS 2007 • Unified Messaging with Exchange Server 2007

  5. Software-Powered VoIP Architecture Deployment scenarios for today

  6. Software-Powered VoIP Architecture Deployment scenario: OCS 2007 Co-existence OCS 2007 Co-existence • Simultaneous ringing • Interoperability with PBX systems • Users have both OC and legacy phone • Utilise existing PBX capabilities • Receptionist and boss-admin needs • Emergency call requirements • Analog lines (e.g., fax machines) • Voicemail Existing PBX Mediation Server SIP/PSTN Gateway SIP OCS 2007 Inbound Routing Outbound Routing Voicemail Routing IM, Presence, Audio, Video, Conferencing, IVR

  7. Software-Powered VoIP Architecture Deployment scenario: OCS 2007 Standalone OCS 2007 Stand-Alone • Migrate groups to Software-powered VoIP • Typically information or mobile workers • All users have IM and presence • Standard PBX migration procedures • Common PBX network interfaces • PBX numbering plans • No PBX upgrade required Existing PBX Mediation Server SIP/PSTN Gateway SIP OCS 2007 Inbound Routing Outbound Routing Voice Mail Routing IM, Presence, Audio, Video, Conferencing, IVR

  8. Session Objectives Understand the voice deployment scenarios for OCS 2007 Learn how OCS 2007 integrates with SIP/PSTN gateways and PBXs See how to get started with a simple gateway-only configuration Understand OCS Integration with any PBX (TDM or IP-based) Understand Native OCS Integration with an IP-PBX

  9. OCS 2007 Voice Components UC endpoints QOE Monitoring Archiving CDR Public IM Clouds DMZ MSN AOL Yahoo Data Audio/Video Inbound Routing Outbound Routing SIP Remote Users Voice Mail Routing Active Directory Front-End Server(s) (IM, Presence) Conferencing Server(s) Backend SQL server Access Server Exchange 2007 Server UM Mediation Server Federated Businesses (SIP-PSTN GW) Voicemail PRI PSTN PBX

  10. Mediation Server • Connects OCS and SIP/PSTN Gateway or IP-PBX • Front-end of the Microsoft OCS voice world • Intermediate signaling and call flow • Manage innovative elements of the SIP transaction • Transcode RTP flows from G.711 to RTAudio and SIREN • Act as an ICE Client for PSTN-originated calls • Enables OCS to… • Provide IP telephony • Interconnect with the legacy PSTN

  11. SIP/PSTN Gateways • Basic Media Gateway • Standalone appliance • Supports TDM features • SIP over TCP • RFC 3261 compliant SIP • G.711 • Works with Mediation Server • Hybrid Media Gateway • Media Gateway appliance • Collocated with Mediation Server

  12. PBXs: Current Partners and Categories • Many vendors committed to working natively with OCS • TDM-based PBXs • No UC interoperability • Use SIP gateway

  13. Session Objectives Understand the voice deployment scenarios for OCS 2007 Learn how OCS 2007 integrates with SIP/PSTN gateways and PBXs See how to get started with a simple gateway-only configuration Understand OCS Integration with any PBX (TDM or IP-based) Understand Native OCS Integration with an IP-PBX

  14. Gateway-Only Configuration

  15. Gateway-Only Configuration Steps • Define location profile for lab environment • Configure • Media gateway • Mediation server • Define • Phone usages • Voice policies • Outbound call routes • Call restrictions: Blocking numbers • Use Communicator to dial a PSTN number

  16. demo Gateway-Only Configuration

  17. Session Objectives Understand the voice deployment scenarios for OCS 2007 Learn how OCS 2007 integrates with SIP/PSTN gateways and PBXs See how to get started with a simple gateway-only configuration Understand OCS Integration with any PBX (TDM or IP-based) Understand Native OCS Integration with an IP-PBX

  18. PBX Interoperability (TDM or IP)

  19. Session Objectives Understand the voice deployment scenarios for OCS 2007 Learn how OCS 2007 integrates with SIP/PSTN gateways and PBX See how to get started with a simple gateway-only configuration Understand OCS Integration with any PBX (TDM or IP-based) Understand Native OCS Integration with an IP-PBX

  20. Native IP-PBX Interoperability

  21. Key Takeaways Understand the voice deployment scenarios for OCS 2007 Learn how OCS 2007 integrates with SIP/PSTN gateways and PBX See how to get started with a simple gateway-only configuration Understand OCS Integration with any PBX (TDM or IP-based) Understand Native OCS Integration with an IP-PBX

  22. Q&A

  23. Resources Integrating Telephony with OCS 2007 http://www.microsoft.com/uc/products/default.mspx • Visit the OCS 2007 Tech Center • http://technet.microsoft.com • Gateways qualified with Office Communications Server • http://go.microsoft.com/fwlink/?LinkID=87482

  24. © 2007 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. This document may contain information related to pre-release software, which may be substantially modified before its first commercial release.Accordingly, the information may not accurately describe or reflect the software product when first commercially released MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

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